:root{color-scheme:dark;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#000;color:var(--text);font-synthesis:none;--surface:#000;--text:#fbf3ad;--muted:#999256;--line:#55501f;--soft:#1f1c00;--accent:#fbf3ad;accent-color:var(--accent);scrollbar-color:var(--muted) var(--soft)}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,select{background:var(--soft);color:var(--text);border:1px solid var(--line);border-radius:24px;min-height:44px;padding:10px 18px}button{cursor:pointer}button:hover{filter:brightness(.93)}button:focus-visible,select:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}button:disabled{opacity:.5;cursor:default}button[hidden],[hidden]{display:none!important}::selection{background:var(--accent);color:var(--surface)}#ruler{height:145px;position:relative;overflow:hidden;border-bottom:1px solid var(--line);touch-action:none;user-select:none;background:var(--soft)}.long-calibration #ruler{position:sticky;top:0;z-index:2}#scale{width:100%;height:145px;display:block;color:var(--text)}#marker{position:absolute;top:0;bottom:0;width:2px;background:var(--accent);pointer-events:none}#marker:after{content:"";position:absolute;bottom:0;left:-5px;border-left:6px solid transparent;border-right:6px solid transparent;border-bottom:10px solid var(--accent)}.workspace{padding:20px max(24px,env(safe-area-inset-left)) 28px;max-width:1000px;margin:auto}header{display:flex;align-items:baseline;justify-content:space-between;gap:20px;flex-wrap:wrap}h1{font-size:24px;font-weight:600;margin:0}h1 span{font-size:16px;color:var(--muted);font-weight:400;margin-left:8px}output{font-size:18px;font-variant-numeric:tabular-nums}p{line-height:1.5;max-width:65ch;color:var(--muted);margin:10px 0 16px}nav,.actions{display:flex;gap:10px;flex-wrap:wrap}#status{font-size:14px;margin:8px 0 16px}#calibration{margin-top:24px;border-top:1px solid var(--line);padding-top:20px}h2{font-size:20px;margin:0 0 8px;font-weight:600}label{display:block;margin:14px 0 8px;font-size:14px}select{max-width:100%;border-radius:10px}.reference-area{overflow:auto;padding:18px 2px 10px;margin-top:10px}#reference-line{height:44px;border-left:2px solid var(--text);border-right:2px solid var(--text);border-bottom:2px solid var(--text);display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;flex-shrink:0}#reference-label{font-size:14px}.adjust{display:flex;align-items:center;gap:12px;max-width:540px;margin-bottom:20px}.adjust button{width:48px;padding:6px;font-size:24px}.adjust input{flex:1;min-width:0;accent-color:var(--accent);height:44px}#save{background:var(--accent);color:var(--surface);border-color:var(--accent)}.small{font-size:13px}details{margin-top:24px;padding-top:16px;border-top:1px solid var(--line)}summary{cursor:pointer;padding:8px 0;min-height:44px;font-size:14px}details p{font-size:14px}.rotate{font-size:14px;margin:16px 0 0}@media(orientation:landscape){.rotate{display:none}.workspace{padding-top:16px}#calibration{margin-top:18px}}@media(min-width:1000px){#ruler{height:190px}#scale{height:190px}.workspace{padding-top:28px}}@media(max-width:420px){.workspace{padding-left:20px;padding-right:20px}header{gap:8px}output{font-size:16px}nav{gap:8px}nav button{padding:10px 14px}}